Create mac-changer.py

Author: darshannn10

mac-changer/mac-changer (adv)/mac-changer.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+"""A simple script used to alter a systems MAC address. User provides the interface, and can supply a MAC address or
+ choose to use a randomly generated one."""
+
+import subprocess
+import argparse
+import random
+import re
+
+# Generates MAC address
+def generate_mac():
+ mac = ':'.join(("%012x" % random.randint(0, 0xFFFFFFFFFFFF))[i:i+2] for i in range(0, 12, 2))
+ return mac
+
+# Getting user supplied arguments from terminal.
+def get_arguments():
+ parser.argparse.ArgumentParser()
+ 
+ parser.add_argument('-i', '--interface', dest='interface', help='Interface to change MAC address')
+ parser.add_argument('-m', '--mac', dest='mac', help='Specify new MAC address. Type "random" for random MAC.')
+ 
+ (options) = parser.parse_ards()
+ 
+ # call to random_mac
+ if option.mac == 'random':
+ option.mac = generate_mac()
+ 
+ if not options.interface:
+ parser.error('[-] Please specify an interface, use --help for more info.')
+ elif not options.mac:
+ parser.error('[-] Please specify a new MAC, use --help for more info')
+ 
+ return options
+
+def change_mac(interface, mac):
+ print(f'[+] Changing MAC address for interface {interface} to {mac}\n')
+ 
+ subprocess.call(['ifconfig', interface, 'down'])
+ 
+ subprocess.call(['ifconfig', interface, 'hw', 'ether', mac])
+ 
+ subprocess.call(['ifconfig', interface, 'up'])
+ 
+ subprocess.call(['ifconfig', interface])
+ 
+ 
+def get_current_mac(interface):
+ ifconfig_result = subprocess.check_output(['ifconfig', interface])
+ mac_address_search_result = re.search(r"[0-9A-F]{2}[:-]){5}([0-9A-F]{2})", infconfig_result.decode(), re.IGNORECASE)
+ 
+ if mac_address_search_results:
+ return mac_address_search_results.group(0)
+ else:
+ print('[-] Could not read the MAC address.')
+ 
+options = get_arguments()
+current_mac = get_current_mac(options.interface)
+print(f'Current MAC: {str{current_mac}}')
+
+change_mac(options.interface, options.mac)
+
+current_mac = get_current_mac(options.interface)
+if current_mac == options.mac:
+ print(f'[+] MAC address was successfully changed to {current_mac}.')
+else:
+ print('[-] MAC address was not changed.')